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19
votes
3answers
12k views

What does gypsum do?

I'm brewing from an Austin Homebrew extract kit, and it came with some gypsum. I thought gypsum was only for modifying water chemistry, but there seems to be some other schools of thought around. ...
4
votes
2answers
2k views

IPA Water Treatment

I am about to brew a clone recipe of Dogfish Head's 60 minute IPA and I was wondering if I should do some water treatment on it. I've heard of people adding gypsum to their water to achieve a dryer ...
3
votes
1answer
147 views

Adding gypsum after fermentation

I have found resources that both advocate and highly advise against this practice. We recently brewed a IIPA (Bear Flavored's Heady Topper clone) that has 3lbs of hops, plus hop extract in 14 ...
2
votes
1answer
181 views

Salty Starter. From Gypsum?

I'm using gypsum for the first time in an IPA I'm brewing in few days. I made a starter today and thought.... since it's a hopped started, why not add a pinch of gypsum. I used PDME and yeast nutrient ...
1
vote
0answers
39 views

When to add salts to RO brewing water [duplicate]

Possible Duplicate: How can I put minerals back into distilled or reverse osmosis water? This weekend I'll be brewing a recipe from Mitch Steele's 'IPA' book. The recipe has a very exact ...
0
votes
3answers
136 views

Softening Hard Water

I have city water at my house which our Regional Water Authority states has a Hardness of 112.10 mg/l. I would like to get this down by 62 points, but not sure what the best way to do this without ...